Page 145 - Touchpad Mathematics V1.0 C1

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MulTiPliCATion AS rEPEATEd AddiTion

A rickshaw has 3 tyres. Here are 4 rickshaws.

How many tyres can you see in all?

Clearly, 3 + 3 + 3 + 3 = 12 tyres

Repeated addition of the same number can be done by multiplication.

We say that, 3 added 4 times is equal to 12.

Or 4 times 3 is equal to 12.

We write:

4 × 3 = 12 read as 4 into 3 is equal to 12.

Or 4 multiplied by 3 is equal to 12.

‘×’ stands for multiplication.

4 × 3 = 12 is a multiplication fact.

Exercise 9C

1. Complete the following. one has been done for you.

a.

+ + =

3 + 3 + 3 = 9 3 times 3 = 9

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Multiplication